<template>
  <div class="app-container">
    <div class="el-toolbar">
      <div class="el-toolbar-body" style="justify-content: flex-start;">
        <a href="http://localhost:8202/admin/cmn/dict/exportData" target="_blank">
          <el-button type="text"><i class="fa fa-plus"/> 导出</el-button>
        </a>
        <el-button type="text" @click="importData"><i class="fa fa-plus"/> 导入</el-button>
      </div>

      <el-dialog title="导入" :visible.sync="dialogImportVisible" width="480px">
        <el-form label-position="right" label-width="170px">

          <el-form-item label="文件">
            <el-upload
              :multiple="false"
              :on-success="onUploadSuccess"
              :action="'http://localhost:8202/admin/cmn/dict/importData'"
              class="upload-demo">
              <el-button size="small" type="primary">点击上传</el-button>
              <div slot="tip" class="el-upload__tip">只能上传excel文件，且不超过500kb</div>
            </el-upload>
          </el-form-item>

        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="dialogImportVisible = false">
            取消
          </el-button>
        </div>
      </el-dialog>

    </div>


    <el-table
      :data="list"
      style="width: 100%"
      row-key="id"
      border
      lazy
      :load="getChildrens"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
      <el-table-column label="名称" width="230" align="left">
        <template slot-scope="scope">
          <span>{{ scope.row.name }}</span>
        </template>
      </el-table-column>

      <el-table-column label="编码" width="220">
        <template slot-scope="{row}">
          {{ row.dictCode }}
        </template>
      </el-table-column>
      <el-table-column label="值" width="230" align="left">
        <template slot-scope="scope">
          <span>{{ scope.row.value }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center">
        <template slot-scope="scope">
          <span>{{ scope.row.createTime }}</span>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
  import dict from '@/api/dict'

  export default {
    data() {
      return {
        list: [],
        listLoading: true,
        dialogImportVisible: false
      }
    },
    created() {
      this.getDictList(1)
    },
    methods: {
      getDictList(id) {
        dict.dictList(id)
          .then(response => {
            this.list = response.data
          })
      },
      getChildrens(tree, treeNode, resolve) {
        dict.dictList(tree.id).then(response => {
          resolve(response.data)
        })
      },
      importData() {
        this.dialogImportVisible = true
      },
      onUploadSuccess(response, file) {
        this.$message.info('上传成功')
        this.dialogImportVisible = false
        this.fetchData()
      }
    }
  }
</script>
